Switzerland competed at the 1984 Summer Olympics in Los Angeles, United States.

129 competitors, 102 men and 27 women, took part in 91 events in 18 sports.

[1] In Switzerland's third appearance in Olympic archery, two women and one man competed.

Women's 3,000 metres Women's Marathon Women's Javelin Throw Women's Heptathlon Twelve cyclists represented Switzerland in 1984.

Five fencers, all men, represented Switzerland in 1984 Three male modern pentathletes represented Switzerland in 1984.